.menu 									{font-family: arial, sans-serif; width:640px; height:26px; position:relative; margin:0; font-size:12px; z-index:999; }
.menu ul li a, .menu ul li a:visited 	{display:block; text-decoration:none; color:#1f3765; height:26px; background:transparent; line-height:26px; font-size:12px; padding-left:10px; padding-right:10px; z-index:999; }
.menu ul 								{padding:0; margin:0;list-style-type: none; z-index:999; }
.menu ul li 							{float:left; position:relative; z-index:999; }
.menu ul li ul 							{display: none; z-index:999; }

/* non IE */
.menu ul li:hover a 					{color:#fff; background:transparent url(../_img/bg_navi_over.gif); z-index:999; }
.menu ul li:hover ul 					{display:block; position:absolute; top:26px; left:0px; background:transparent; z-index:999; }
.menu ul li:hover ul li 				{float:left; z-index:999; }
.menu ul li:hover ul li a 				{display:block; background:transparent  url(../_img/opaque_dark.png); color:#fff; width:130px; float:left; z-index:999; }
.menu ul li:hover ul li a:hover 		{color:#fff; background:transparent url(../_img/bg_navi_hoover4.gif); z-index:999; }